Central/Western
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-19 11:00 | 17.8 | 44.4 | 2.3 | - | 16.8 | 10.2 |
| 2024-04-19 10:00 | 22.5 | 40.9 | 2.0 | - | 15.6 | 9.9 |
| 2024-04-19 09:00 | 23.0 | 37.4 | 1.9 | - | 14.7 | 9.9 |
| 2024-04-19 08:00 | 17.7 | 37.2 | 1.9 | - | 15.2 | 11.4 |
| 2024-04-19 07:00 | 11.8 | 40.1 | 1.7 | - | 13.8 | 10.0 |
| 2024-04-19 06:00 | 6.2 | 45.9 | 1.7 | - | 10.9 | 7.5 |
| 2024-04-19 05:00 | 4.2 | 48.3 | 1.7 | - | 12.9 | 9.2 |
| 2024-04-19 04:00 | 5.4 | 46.9 | 1.9 | - | 12.6 | 8.7 |
| 2024-04-19 03:00 | 6.4 | 46.0 | 1.7 | - | 13.0 | 9.3 |
| 2024-04-19 02:00 | 9.0 | 43.4 | 1.7 | - | 12.7 | 8.9 |
| 2024-04-19 01:00 | 19.3 | 37.4 | 1.9 | - | 14.8 | 10.2 |
| 2024-04-19 00:00 | 38.9 | 41.2 | 2.1 | - | 15.0 | 9.1 |
| 2024-04-18 23:00 | 45.3 | 48.6 | 2.2 | - | 12.7 | 6.2 |
| 2024-04-18 22:00 | 58.7 | 39.8 | 2.5 | - | 17.3 | 10.6 |
| 2024-04-18 21:00 | 109.2 | 10.6 | 5.4 | - | 13.5 | 8.1 |
| 2024-04-18 20:00 | 73.5 | 48.6 | 2.7 | - | 6.7 | 3.4 |
| 2024-04-18 19:00 | 28.7 | 95.3 | 1.8 | - | 7.9 | 5.5 |
| 2024-04-18 18:00 | 26.0 | 107.0 | 1.9 | - | 14.8 | 6.9 |
| 2024-04-18 17:00 | 90.7 | 30.5 | 3.2 | - | 19.5 | 9.0 |
| 2024-04-18 16:00 | 82.6 | 37.0 | 2.5 | - | 19.8 | 11.4 |
| 2024-04-18 15:00 | 40.2 | 72.2 | 1.8 | - | 24.3 | 11.6 |
| 2024-04-18 14:00 | 30.5 | 65.3 | 1.5 | - | 17.7 | 8.1 |
| 2024-04-18 13:00 | 33.8 | 38.7 | 1.8 | - | 17.3 | 9.8 |
| 2024-04-18 12:00 | 25.3 | 43.5 | 2.3 | - | 19.5 | 12.9 |
Remarks:
(1) Time shown is in Hong Kong time.
(2) Concentration shown is in microgram per cubic metre (µg/m3).
(3) Abbreviation:
NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates
(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.
